Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

cos(π/n)cos(2π/n)cos(3π/n) ... cos(nπ/n) = ?

Author:羅驥韡 (Pegasus Roe)
Topic:Complex Numbers

New Resources

  • 四邊形的特性
  • 畫出對稱圖形
  • 【案例】圆柱体内放置一个大球六个小球
  • 画直线等分三角形的面积
  • 兩位數除以一位數(一)

Discover Resources

  • gjh-e01-04 未知數角度的三角形
  • 噴嘴示意圖
  • 拋物線3--平行四邊形法
  • 拋物線四-平行四邊形法
  • S6 Vectors

Discover Topics

  • Inequalities
  • Hypothesis Testing
  • Geometry
  • Linear Equations
  • Reflection
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2025 GeoGebra®